168986180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{69829}}^1$

素因数の和:69860

約数の個数: 36

約数和(自身を含む): 390070380

約数和(自身を除く): 221084200

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 69829, 139658, 279316, 349145, 698290, 768119, 1396580, 1536238, 3072476, 3840595, 7681190, 8449309, 15362380, 16898618, 33797236, 42246545, 84493090, 168986180]

約数ペア:

[(1, 168986180), (2, 84493090), (4, 42246545), (5, 33797236), (10, 16898618), (11, 15362380), (20, 8449309), (22, 7681190), (44, 3840595), (55, 3072476), (110, 1536238), (121, 1396580), (220, 768119), (242, 698290), (484, 349145), (605, 279316), (1210, 139658), (2420, 69829)]